Scania fault code 4677
Code 4677 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Unit injector for cylinder 4
The control unit has detected that the solenoid valve in the unit injector has closed too early. Start of injection timing is earlier than expected.
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EEC Exhaust Emission Control
Water in fuel sensor, T155
The EEC control unit could not convert the signal from the water in fuel sensor.
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